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Compare · KLAC vs QMCO

KLAC vs QMCO

Side-by-side comparison of KLA Corporation (KLAC) and Quantum Corporation (QMCO): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both KLAC and QMCO operate in Electronic Components (Technology), so they compete in similar markets.
  • KLAC is the larger of the two at $279.46B, about 1462.9x QMCO ($191.0M).
  • Over the past year, KLAC is up 149.9% and QMCO is up 22.7% - KLAC leads by 127.2 points.
  • QMCO has been more active in the news (8 items in the past 4 weeks vs 1 for KLAC).
  • KLAC has more recent analyst coverage (25 ratings vs 4 for QMCO).
PerformanceKLAC+149.90%QMCO+22.69%
2025-06-10+0.00%2026-06-09
MetricKLACQMCO
Company
KLA Corporation
Quantum Corporation
Price
$2140.63+1.57%
$13.03+3.91%
Market cap
$279.46B
$191.0M
1M return
+14.53%
+35.45%
1Y return
+149.90%
+22.69%
Industry
Electronic Components
Electronic Components
Exchange
NASDAQ
NASDAQ
IPO
1980
News (4w)
1
8
Recent ratings
25
4
KLAC

KLA Corporation

KLA Corporation designs, manufactures, and markets process control and yield management solutions for the semiconductor and related nanoelectronics industries worldwide. The company offers chip and wafer manufacturing products, including defect inspection and review systems, metrology solutions, in situ process monitoring products, computational lithography software, and data analytics systems for chip manufacturers to manage yield throughout the semiconductor fabrication process. It also provides reticle manufacturing products, such as reticle inspection, metrology, and data analytics systems for mask shops; and packaging manufacturing products comprising wafer inspection and metrology, die sorting and inspection, IC component inspection and metrology, data analytics, wafer processing systems, and IC substrate production processes. In addition, the company offers compound semiconductor, power device, light emitting diode, and microelectromechanical system manufacturing products; data storage media/head manufacturing products; general purpose/lab applications; and previous-generation KLA systems. Further, it provides wafer processing solutions; printed circuit boards, and display and inspection components; and other services. The company was formerly known as KLA-Tencor Corporation and changed its name to KLA Corporation in July 2019. KLA Corporation was incorporated in 1975 and is headquartered in Milpitas, California.

QMCO

Quantum Corporation

Quantum Corporation provides products for storing and managing digital video and unstructured data in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. The company offers StorNext software systems that enable high-speed ingest, editing, processing, and management of digital video and image datasets; and Scalar tape systems that provide long-term data storage facility to archive and preserve digital content for decades. It also provides DXi backup systems for backup storage and multi-site disaster recovery; surveillance and physical security storage systems, including video recording servers, as well as hyperconverged storage systems for video surveillance management and recording; and appliances designed for video surveillance analytics and to run various types of access control systems. In addition, the company offers in-vehicle storage systems, which are removable storage systems for in-vehicle data capture, mobile surveillance, and military applications; managed services, implementation and training services, and support services; and object storage systems for online content repositories, such as media archives, genome sequencing data repositories, and big data lakes. Further, it sells linear tape-open (LTO) tape cartridges, as well as standalone LTO tape drives for small business and desktop use. The company sells its products through a network of distributors, value-added resellers, direct marketing resellers, original equipment manufacturers, and other suppliers, as well as directly to corporate entities and government agencies. Quantum Corporation was founded in 1980 and is headquartered in San Jose, California.

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